Audio decoder



FIG. 1 is a perspective view of an audio decoder;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines in the figures show portions of the audio decoder that form no part of the claimed design. 

CLAIM We claim the ornamental design for an audio decoder, as shown and described. 